NRI Siddharth Chaturvedi and his wife Avni return to Siddharth's family's ancestral Varanasi palace while disregarding warnings of a curse and paranormal phenomena. Soon enough, inexplicable events begin occuring, which forces Siddharth to consult the eccentric psychiatrist Aditya Shrivastav to help solve the mystery.
Akshay Kumar
as Dr. Aditya 'Adit' Shrivastav
Vidya Balan
as Avni S. Chaturvedi / Manjulika
Shiney Ahuja
as Siddharth Chaturvedi / Raja Vibhuti Narayan
Paresh Rawal
as Batukshankar Upadhyay
Ameesha Patel
as Radha Chaturvedi
Manoj Joshi
as Badrinarayan 'Badri' Chaturvedi
Rajpal Yadav
as Chhote Pandit / Lal Hanuman
Govardhan Asrani
as Murari
Rasika Joshi
as Janki Upadhyay
Vikram Gokhale
as Acharya Yagyaprakash Bharti
Vineeth Radhakrishnan
as Professor Sharad
Kaveri Jha
as Girja Upadhyay
